Finding the Fourth Proportional to 16,818,062.08, 25,134,930.96 and 12,278,671.36
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Solution
The fourth proportional to 16,818,062.08, 25,134,930.96 and 12,278,671.36 is: 18,350,720.52
Step by Step Solution
- Step 1: Write the proportion equation
16,818,062.08 : 25,134,930.96 = 12,278,671.36 : x - Step 2: Convert to fraction form
16,818,062.08/25,134,930.96 = 12,278,671.36/x - Step 3: Cross multiply
16,818,062.08x = 25,134,930.96 × 12,278,671.36 - Step 4: Simplify right side
16,818,062.08x = 308,623,556,914,129.31 - Step 5: Solve for x
x = 308,623,556,914,129.31/16,818,062.08 - Step 6: Final answer
x = 18,350,720.52
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.